libertas: kill unused lbs_prepare_and_send_command()
Remove last bits of indirect command code.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index f19a36f..4946bce 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -77,30 +77,6 @@
}
/**
- * @brief This function checks if the command is allowed.
- *
- * @param priv A pointer to lbs_private structure
- * @return allowed or not allowed.
- */
-
-static int lbs_is_cmd_allowed(struct lbs_private *priv)
-{
- int ret = 1;
-
- lbs_deb_enter(LBS_DEB_CMD);
-
- if (!priv->is_auto_deep_sleep_enabled) {
- if (priv->is_deep_sleep) {
- lbs_deb_cmd("command not allowed in deep sleep\n");
- ret = 0;
- }
- }
-
- lbs_deb_leave(LBS_DEB_CMD);
- return ret;
-}
-
-/**
* @brief Updates the hardware details like MAC address and regulatory region
*
* @param priv A pointer to struct lbs_private structure
@@ -1000,7 +976,6 @@
spin_lock_irqsave(&priv->driver_lock, flags);
priv->cur_cmd = cmdnode;
- priv->cur_cmd_retcode = 0;
spin_unlock_irqrestore(&priv->driver_lock, flags);
cmdsize = le16_to_cpu(cmd->size);
@@ -1073,9 +1048,6 @@
void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
int result)
{
- if (cmd == priv->cur_cmd)
- priv->cur_cmd_retcode = result;
-
cmd->result = result;
cmd->cmdwaitqwoken = 1;
wake_up_interruptible(&cmd->cmdwait_q);
@@ -1143,112 +1115,6 @@
}
/**
- * @brief This function prepare the command before send to firmware.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param cmd_no command number
- * @param cmd_action command action: GET or SET
- * @param wait_option wait option: wait response or not
- * @param cmd_oid cmd oid: treated as sub command
- * @param pdata_buf A pointer to informaion buffer
- * @return 0 or -1
- */
-int lbs_prepare_and_send_command(struct lbs_private *priv,
- u16 cmd_no,
- u16 cmd_action,
- u16 wait_option, u32 cmd_oid, void *pdata_buf)
-{
- int ret = 0;
- struct cmd_ctrl_node *cmdnode;
- struct cmd_header *cmdptr;
- unsigned long flags;
-
- lbs_deb_enter(LBS_DEB_HOST);
-
- if (!priv) {
- lbs_deb_host("PREP_CMD: priv is NULL\n");
- ret = -1;
- goto done;
- }
-
- if (priv->surpriseremoved) {
- lbs_deb_host("PREP_CMD: card removed\n");
- ret = -1;
- goto done;
- }
-
- if (!lbs_is_cmd_allowed(priv)) {
- ret = -EBUSY;
- goto done;
- }
-
- cmdnode = lbs_get_cmd_ctrl_node(priv);
-
- if (cmdnode == NULL) {
- lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
-
- /* Wake up main thread to execute next command */
- wake_up_interruptible(&priv->waitq);
- ret = -1;
- goto done;
- }
-
- cmdnode->callback = NULL;
- cmdnode->callback_arg = (unsigned long)pdata_buf;
-
- cmdptr = (struct cmd_header *)cmdnode->cmdbuf;
-
- lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
-
- /* Set sequence number, command and INT option */
- priv->seqnum++;
- cmdptr->seqnum = cpu_to_le16(priv->seqnum);
-
- cmdptr->command = cpu_to_le16(cmd_no);
- cmdptr->result = 0;
-
- switch (cmd_no) {
- default:
- lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no);
- ret = -1;
- break;
- }
-
- /* return error, since the command preparation failed */
- if (ret != 0) {
- lbs_deb_host("PREP_CMD: command preparation failed\n");
- lbs_cleanup_and_insert_cmd(priv, cmdnode);
- ret = -1;
- goto done;
- }
-
- cmdnode->cmdwaitqwoken = 0;
-
- lbs_queue_cmd(priv, cmdnode);
- wake_up_interruptible(&priv->waitq);
-
- if (wait_option & CMD_OPTION_WAITFORRSP) {
- lbs_deb_host("PREP_CMD: wait for response\n");
- might_sleep();
- wait_event_interruptible(cmdnode->cmdwait_q,
- cmdnode->cmdwaitqwoken);
- }
-
- spin_lock_irqsave(&priv->driver_lock, flags);
- if (priv->cur_cmd_retcode) {
- lbs_deb_host("PREP_CMD: command failed with return code %d\n",
- priv->cur_cmd_retcode);
- priv->cur_cmd_retcode = 0;
- ret = -1;
- }
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
-done:
- lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
- return ret;
-}
-
-/**
* @brief This function allocates the command buffer and link
* it to command free queue.
*
@@ -1701,9 +1567,15 @@
goto done;
}
- if (!lbs_is_cmd_allowed(priv)) {
- cmdnode = ERR_PTR(-EBUSY);
- goto done;
+ /* No commands are allowed in Deep Sleep until we toggle the GPIO
+ * to wake up the card and it has signaled that it's ready.
+ */
+ if (!priv->is_auto_deep_sleep_enabled) {
+ if (priv->is_deep_sleep) {
+ lbs_deb_cmd("command not allowed in deep sleep\n");
+ cmdnode = ERR_PTR(-EBUSY);
+ goto done;
+ }
}
cmdnode = lbs_get_cmd_ctrl_node(priv);
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 19b1f21..7109d6b 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -39,11 +39,6 @@
#define lbs_cmd_with_response(priv, cmdnr, cmd) \
lbs_cmd(priv, cmdnr, cmd, lbs_cmd_copyback, (unsigned long) (cmd))
-int lbs_prepare_and_send_command(struct lbs_private *priv,
- u16 cmd_no,
- u16 cmd_action,
- u16 wait_option, u32 cmd_oid, void *pdata_buf);
-
void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
struct cmd_header *in_cmd, int in_cmd_size);
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 83283b8..5e95da9 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -112,9 +112,6 @@
del_timer(&priv->command_timer);
priv->cmd_timed_out = 0;
- /* Store the response code to cur_cmd_retcode. */
- priv->cur_cmd_retcode = result;
-
if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
struct cmd_ds_802_11_ps_mode *psmode = (void *) &resp[1];
u16 action = le16_to_cpu(psmode->action);
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 556a9c3..85cdc9a 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -116,7 +116,6 @@
int cmd_timed_out;
/* Command responses sent from the hardware to the driver */
- int cur_cmd_retcode;
u8 resp_idx;
u8 resp_buf[2][LBS_UPLD_SIZE];
u32 resp_len[2];